71621640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 192

約数和(自身を含む): 252532800

約数和(自身を除く): 180911160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 57, 60, 72, 74, 76, 90, 95, 111, 114, 120, 148, 152, 171, 180, 185, 190, 222, 228, 283, 285, 296, 333, 342, 360, 370, 380, 444, 456, 555, 566, 570, 666, 684, 703, 740, 760, 849, 855, 888, 1110, 1132, 1140, 1332, 1368, 1406, 1415, 1480, 1665, 1698, 1710, 2109, 2220, 2264, 2280, 2547, 2664, 2812, 2830, 3330, 3396, 3420, 3515, 4218, 4245, 4440, 5094, 5377, 5624, 5660, 6327, 6660, 6792, 6840, 7030, 8436, 8490, 10188, 10471, 10545, 10754, 11320, 12654, 12735, 13320, 14060, 16131, 16872, 16980, 20376, 20942, 21090, 21508, 25308, 25470, 26885, 28120, 31413, 31635, 32262, 33960, 41884, 42180, 43016, 48393, 50616, 50940, 52355, 53770, 62826, 63270, 64524, 80655, 83768, 84360, 94239, 96786, 101880, 104710, 107540, 125652, 126540, 129048, 157065, 161310, 188478, 193572, 198949, 209420, 215080, 241965, 251304, 253080, 314130, 322620, 376956, 387144, 397898, 418840, 471195, 483930, 596847, 628260, 645240, 753912, 795796, 942390, 967860, 994745, 1193694, 1256520, 1591592, 1790541, 1884780, 1935720, 1989490, 2387388, 2984235, 3581082, 3769560, 3978980, 4774776, 5968470, 7162164, 7957960, 8952705, 11936940, 14324328, 17905410, 23873880, 35810820, 71621640]

約数ペア:

[(1, 71621640), (2, 35810820), (3, 23873880), (4, 17905410), (5, 14324328), (6, 11936940), (8, 8952705), (9, 7957960), (10, 7162164), (12, 5968470), (15, 4774776), (18, 3978980), (19, 3769560), (20, 3581082), (24, 2984235), (30, 2387388), (36, 1989490), (37, 1935720), (38, 1884780), (40, 1790541), (45, 1591592), (57, 1256520), (60, 1193694), (72, 994745), (74, 967860), (76, 942390), (90, 795796), (95, 753912), (111, 645240), (114, 628260), (120, 596847), (148, 483930), (152, 471195), (171, 418840), (180, 397898), (185, 387144), (190, 376956), (222, 322620), (228, 314130), (283, 253080), (285, 251304), (296, 241965), (333, 215080), (342, 209420), (360, 198949), (370, 193572), (380, 188478), (444, 161310), (456, 157065), (555, 129048), (566, 126540), (570, 125652), (666, 107540), (684, 104710), (703, 101880), (740, 96786), (760, 94239), (849, 84360), (855, 83768), (888, 80655), (1110, 64524), (1132, 63270), (1140, 62826), (1332, 53770), (1368, 52355), (1406, 50940), (1415, 50616), (1480, 48393), (1665, 43016), (1698, 42180), (1710, 41884), (2109, 33960), (2220, 32262), (2264, 31635), (2280, 31413), (2547, 28120), (2664, 26885), (2812, 25470), (2830, 25308), (3330, 21508), (3396, 21090), (3420, 20942), (3515, 20376), (4218, 16980), (4245, 16872), (4440, 16131), (5094, 14060), (5377, 13320), (5624, 12735), (5660, 12654), (6327, 11320), (6660, 10754), (6792, 10545), (6840, 10471), (7030, 10188), (8436, 8490)]